fix: StackedDiscreteBar column order does not need to be reversed
fix: StackedDiscreteBar column order does not need to be reversed

Although if we transition from one stacked to another, we may want to preserve the colors, which now get flipped because of this. But that's gonna be for another time.

OurWorldInData/owid-grapher,OurWorldInData/owid-grapher,owid/owid-grapher,owid/owid-grapher,OurWorldInData/owid-grapher,OurWorldInData/owid-grapher,OurWorldInData/owid-grapher,owid/owid-grapher,owid/owid-grapher,owid/owid-grapher